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Trends in Coatings and Surface Technology, 3rd Edition
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Trends in Coatings and Surface Technology, 3rd Edition

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Surface Characterization, Deposition and Modification".

Deadline for manuscript submissions: 30 April 2026 | Viewed by 830

Special Issue Editor

Dr. Fábio Ferreira

E-Mail Website
Guest Editor
Centre for Mechanical Engineering, Materials and Processes, Department of Mechanical Engineering, University of Coimbra, Rua Luis Reis Santos, 3030-788 Coimbra, Portugal
Interests: coatings; tribology; ionic liquids
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Surface modification provides solutions to practical issues pertinent to tackling significant social difficulties. To name several of the most popular uses, coatings are crucial for implementing biocompatible technologies, creating systems for sustainable energy generation, and cleaning up pollutants. They also help materials resist damage and endure in harsh environments. There is an ongoing global research effort in both academia and industry to find novel coatings or coating structures for an ever-growing range of problems.

This Special Issue of Coatings will include full papers, review articles, and communications from some of the most renowned researchers in the field with the aim of spotlighting some of the most fascinating challenges in coatings science and technology.

Potential topics include, but are not limited to, the following:

  • Antimicrobial coatings;
  • CO2 capture technologies;
  • Battery development;
  • Sensor development;
  • Protective coatings;
  • Functional coatings;
  • Hard coatings;
  • Coating methods and technologies;
  • Super-hydrophobic and self-cleaning coatings;
  • Any other aspects of the deposition/characterization of coatings and thin films.

Dr. Fábio Ferreira
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Coatings is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • coatings
  • thin films
  • surface engineering
  • sputtering
  • HiPIMS
  • material characterization
  • tribology
  • antimicrobial coatings
  • CO2 capture
  • batteries

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  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
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  • Reprint: MDPI Books provides the opportunity to republish successful Special Issues in book format, both online and in print.

Further information on MDPI's Special Issue policies can be found here.

Related Special Issues

Published Papers (2 papers)

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Research

20 pages, 5197 KB  
Article
Study on SLM Forming Parameters of Al2O3/CoCr Metal Matrix Composites
by Qin Hong, Peikang Bai, Jianhong Wang and Wei Liu
Coatings 2025, 15(9), 1015; https://doi.org/10.3390/coatings15091015 - 1 Sep 2025
Viewed by 142
Abstract
In the present study, a finite element-based numerical simulation approach was employed to investigate the temperature field distribution and variations in molten pool dimensions during the selective laser melting (SLM) forming process of Al2O3/CoCr metal matrix composites. Building [...] Read more.
In the present study, a finite element-based numerical simulation approach was employed to investigate the temperature field distribution and variations in molten pool dimensions during the selective laser melting (SLM) forming process of Al2O3/CoCr metal matrix composites. Building on this foundation, the present work explored the regulatory effects of volumetric energy density (VED) on the performance of SLM-fabricated components. Ultimately, the optimal process parameters for the selective laser melting of Al2O3/CoCr metal matrix composites were identified and established. The results show that when the laser power is in the range of 150–250 W and the scanning speed is 700–1100 mm/s, it is beneficial to the SLM forming of Al2O3/CoCr metal matrix composites. When the VED is between 133.3 J/mm3 and 171.4 J/mm3, the microstructural defects of the composite are the least. The optimal SLM process parameters are finally determined as follows: laser power 200 W, scanning speed 700 mm/s, scanning line spacing 0.06 mm, and hatch spacing 0.03 mm. Full article
(This article belongs to the Special Issue Trends in Coatings and Surface Technology, 3rd Edition)
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18 pages, 3320 KB  
Article
Numerical and Experimental Investigation of Slot-Die Coating Regimes of Alumina Slurries on Glass and Dried Alumina Layer for Ceramic Additive Manufacturing
by Jeonghong Ha
Coatings 2025, 15(8), 977; https://doi.org/10.3390/coatings15080977 - 21 Aug 2025
Viewed by 494
Abstract
Slurry-based additive manufacturing (AM) enables the fabrication of dense and complex ceramic components through the layer-by-layer deposition of high-solid-content slurries. However, the reliable formation of uniform, defect-free slurry layers remains a bottleneck for process stability and final part quality. In this study, the [...] Read more.
Slurry-based additive manufacturing (AM) enables the fabrication of dense and complex ceramic components through the layer-by-layer deposition of high-solid-content slurries. However, the reliable formation of uniform, defect-free slurry layers remains a bottleneck for process stability and final part quality. In this study, the slot-die coating window for alumina slurry (50 wt%, viscosity = 34 Pa·s) was systematically investigated using volume-of-fluid simulations and experiments, with coating speed (0.7–2.8 mm/s), flow rate (0.6–0.8 mL/min), and coating gap (200–400 μm) as key variables. The coating process exhibited three distinct regimes, namely overflow, stable, and unstable, depending on process conditions. For a coating gap of 200 μm on a glass substrate, stable bead formation was observed over the widest coating speed range without overflow or air entrainment. At higher speeds, dynamic wetting failure induced air entrainment and bead breakage, while lower speeds led to overflow defects. When coating on a dried alumina layer (contact angle, CA = 137°), the stable window narrowed significantly compared to the glass substrate (CA = 66.7°), highlighting the substantial influence of substrate wettability on coating stability and defect formation. The results derived in this work offer practical guidance for optimizing process parameters to achieve uniform, defect-free films in multilayer ceramic AM. Full article
(This article belongs to the Special Issue Trends in Coatings and Surface Technology, 3rd Edition)
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